[MCOL-5132] Improve add\remove nodes process in CMAPI. failover related Created: 2022-06-14  Updated: 2023-07-01

Status: Open
Project: MariaDB ColumnStore
Component/s: cmapi
Affects Version/s: cmapi-1.6.3, cmapi-1.5, cmapi-1.6, cmapi-1.6.2
Fix Version/s: 23.10

Type: Task Priority: Minor
Reporter: Alan Mologorsky Assignee: Alan Mologorsky
Resolution: Unresolved Votes: 0
Labels: None

Issue Links:
PartOf
includes MCOL-5345 Fix SingleNode.xml causing PrimProc f... Closed

 Description   

Removing one single node in some cases can produces Single node cluster.

  • No MCS services stopped after removing node from single node.
    reproduce:
    add node by ip then remove using hostname or fqdn, got one active node with name
    127.0.0.1. If use same name while add\remove process got no active nodes but all working
    mcs processes as a result.

I guess the main reason is in coping SingleNode.xml config while removing node from cluster with one active node.
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